The act of writing TATE (all caps necessary, or it doesn't count) in random places all over any object. It is unclear who started TATE-ing, but now, you can't possibly name everyone who does it. TATE does not stand for anything, but is found everywhere. TATE is an actual name, but i will not give his last name for privacy matters.

20 years into the future:future kid #1"hey, this desk, wall, and even lunch tray all have 'TATE' written on them."
future kid #2"that was when everyone was TATE-ing."
kid #1"okay...hey look, there is the Oglethrope County TATE-riots (say itwithout a pause).